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Revision on unit 1 and unit 3 l1,2,3 math

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Revision on unit 1 and unit 3 l1,2,3 math

1. 1. Name:……………………………………………… Date:…………………………class:4……… Revision on Unit 1 and Unit 3 L1,2,3 A) Choose the correct answer: 1) The million is the smallest number formed from …………digits ( 3 , 7 , 4 ) 2) The digit which represents million in the number 46 835 714 is………… ( 6 , 8 , 3 ) 3) 280 hundred thousand …………… 28 millions ( > , = , < ) 4) The value of the digit 8 in the number 587 625 is ………… ( 80 000 , 800 000 , 8000) 5) Three millions, three thousands and three is …………… ( 3 003 003 , 30 300 , 3 030 ) 6) The value of the digit 7 in the number 40 735 126 is ………… ( 7 000 000 , 70 000 , 700 000 ) 7) 71 million , 354 thousand and 12 = ………… ( 71 354 120 , 7 135 412 , 71 354 012) 8) 365 274 …………… 359 876 ( > , = , < ) 9) 5 million ……………… 500 000 ( > , = , < ) 10) The value of the digit 8 in the number 1 096 835 is……… ( 8 , 800 , 8000 ) 11) The place value of the digit 3 in the number 736 542 is …………… (Thousands , ten thousands , hundred thousands, millions) 12) …………… is one of the factors of the number 8 ( 16 , 4 , 20 ) 13) The number 1, 5 and 7 are ……… numbers (even , odd , prime) 14) 54 is a number that is divisible by ………… ( 4 , 6 , 7 ) 15) The number ………… is divisible by 5 (495 , 549 , 54) 16) The numbers 2 , 3, 5 and 7 are called………numbers (even , odd , prime)
2. 2. 17) The number of the factors of the prime number is…………… (one , two , three) 18) The number …………… is a prime number ( 15 , 17 , 21 ) 19) The number …………… is divisible by each of 2 and 5 ( 72 , 25 , 100) 20) The prime number that comes directly after the number 39 is .......... (40 , 41 , 43) 21) ………… is a multiple of 6 ( 8 , 28 , 38 , 48) 22) A number is said to be divisible by 3 if the sum of its digits is divisible by…… ( 2, 3, 5) 23) 590 is not divisible by ………… ( 2, 3 , 5 , 10) 24) The number …………… is divisible by 2, 3 and 5 (200 , 190, 750, 636) _____________________________________________________________ B) Complete: 1) The smallest different 6-digit number is ………… 2) The smallest number formed from the digits 0 , 3 , 2, 5, 1 and 6 is …………… 3) Ten million is the smallest number formed from …………… digits. 4) The …………………………… of a number is the product of multiplying this number by any other number. 5) A number is divisible by another if the remainder of the division operation is ………………… 6) Any number is divisible by ……………… 7) ……………………… of a number are all the numbers which divide that number. 8) The number ………………… is a factor of all numbers. 9) All numbers except zero are factors of ……………………
3. 3. 10) The …………………… number is the number that has only 2 factors which are 1 and itself. 11) ……………… is the smallest prime number 12) ……………… is the only even prime number 13) one is not a ………………… number 14) The prime numbers that are included between 2 and 30 are…………………………… 15) The prime number lies between 6 and 10 is ……………………… 16) The number whose factors are 2, 3 and 5 is ……………… 17) ………… is a multiple of all numbers. 20) All multiples of 2 between 17 and 29 are………………………………………………………………… 21) All multiples of 4 less than 32 are ……………………………………………………………………………… 22) The number is divisible by 2 if its units digit is …………………… 23) The number is divisible by 5 if its units digit is …………………… 24) If an even number is divisible by 5 then its units digit has to be …………………… C) Find all the factors of each of the following numbers: (U-shape) 15 – 14 – 16 – 36 – 56 – 18 – 88 D) Factorize each of the following numbers to their prime factors : (T-shape) 132 – 112 – 48– 72 – 88 - 275 E) Find the result of each of the following: 1) 879 156 + 498 068 = ……………… 2) 608 467 – 129 585= …………… 3) 2 525 ÷ 25 = …………… 4) 4 803 × 67 = …………… 5) 384 ÷ 16 = ………… 6) 774 ÷ 18= ………… 7) 2072 ÷ 56=…………………